[squeak-dev] The Inbox: CollectionsTests-jr.319.mcz
commits at source.squeak.org
commits at source.squeak.org
Wed Sep 25 13:24:54 UTC 2019
A new version of CollectionsTests was added to project The Inbox:
http://source.squeak.org/inbox/CollectionsTests-jr.319.mcz
==================== Summary ====================
Name: CollectionsTests-jr.319
Author: jr
Time: 25 September 2019, 3:24:53.304261 pm
UUID: f44f2265-88ab-3042-b84f-bdb5bbd8b8ef
Ancestors: CollectionsTests-dtl.318
Add test for change in Collections-jr.855
=============== Diff against CollectionsTests-dtl.318 ===============
Item was added:
+ ClassTestCase subclass: #WeakKeyDictionaryTest
+ instanceVariableNames: ''
+ classVariableNames: ''
+ poolDictionaries: ''
+ category: 'CollectionsTests-Weak'!
Item was added:
+ ----- Method: WeakKeyDictionaryTest>>testNilDoesNotInheritValueOfGarbageCollectedObject (in category 'tests') -----
+ testNilDoesNotInheritValueOfGarbageCollectedObject
+ "When objects are garbage collected, the keys in the names hash table become nil.
+ This must not mislead the dictionary to answer that nil had one of the values of the former
+ objects!!"
+ | dictionary hashTable |
+ dictionary := self targetClass new.
+ "Craft a hash table where all keys were freed."
+ hashTable := dictionary array.
+ self assert: hashTable size > 0.
+ hashTable replace: [:each | WeakKeyAssociation key: nil value: 1].
+ self assert: (dictionary at: nil ifAbsent: []) isNil. "and not 1"!
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